How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Wednesday, 3/14100.0*Chance in playoffs100.0*Average seed
BF 29 RS 10 +0.8
+0.1
EG 15 BF 24 +0.5
+0.1
MEL 6 OS 9 -0.3
+0.1
EG 14 RS 15 -0.2
+0.0
JPP 17 MEL 9 -0.2
+0.1
HA 15 SPA 16 -0.2
-0.1
SPA 20 LO 19 -0.2
-0.1
Monday, 3/19100.0*Chance in playoffs100.0*Average seed
RS 18 QE 3 Out
-0.9
JPP 25 QE 5 -4.8
-0.8
EG 15 OS 19 -0.9
+0.1
RS 12 JPP 19 +0.9
+0.1
MEL 16 HA 17 -0.9
+0.1
MEL 10 SAL 26 -0.9
+0.1
OS 10 SPA 18 +0.3
-0.1
EC 11 LO 23 -0.3
+0.2
BF 5 LO 14 -0.2
EC 11 BF 19 +0.2
Wednesday, 3/21100.0*Chance in playoffs100.0*Average seed
SPA 1 QE 0 -1.2
EG 18 JPP 24 +0.1
EG 12 SPA 25 +0.1
Games Above .500
Chance Will Make Playoffs